Home / 177,733.85-243,967.14-157,139.60

Finding the Fourth Proportional to 177,733.85, 243,967.14 and 157,139.60

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Solution

The fourth proportional to 177,733.85, 243,967.14 and 157,139.60 is: 215,698.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,733.85 : 243,967.14 = 157,139.60 : x
  2. Step 2: Convert to fraction form
    177,733.85/243,967.14 = 157,139.60/x
  3. Step 3: Cross multiply
    177,733.85x = 243,967.14 × 157,139.60
  4. Step 4: Simplify right side
    177,733.85x = 38,336,897,572.91
  5. Step 5: Solve for x
    x = 38,336,897,572.91/177,733.85
  6. Step 6: Final answer
    x = 215,698.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.